Reference: 12010188 mail
Data sheet
| Power (W): | 1800 | 900 | 1800 |
| Shape: | Round | Round | Oval |
| Warranty: | NIL | 3 months | NIL |
| Diameter (cm): | 25 | 25 | 30 |
| Noise Emission (dB): | 86 | 84 | -- |
| Frequency (Hz): | 28-500 | 20-3.5k | -- |
| Impedance (Ω) : | 4 | 4 | 4 |